Below are documents related to EPA's approval of Central Washington Concrete’s Request for Coverage under the General Air Quality Permit for New or Modified Minor Source Stone Quarrying, Crushing, and Screening Facilities in Indian Country (SQCS General Permit) for the Toppenish Quarry on the Yakama Indian Reservation, near Toppenish, Washington.
The EPA approved Central Washington Concrete’s request for coverage on September 28, 2016.
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Approval of Request for Coverage: Central Washington Concrete - Toppenish Quarry (PDF)(3 pp, 128 K,
September 28, 2016)
EPA's approval of coverage under the SQCS General Permit.
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Technical Support Document for Approval of Request for Coverage: Central Washington Concrete - Toppenish Quarry (PDF)(8 pp, 135 K,
September 28, 2016)
Technical information supporting EPA's approval of coverage.